Avent Natural Feeding Bottle

The most natural way to bottle feed. Wide, breast-shaped silicone nipple promotes natural latch on, so its easy to combine with breastfeeding Advanced anti-colic system is directly integrated into the nipple with no extra hard to clean parts Made of premium quality, pharmacy-grade borosilicate glass. Heat and thermal shock resistant Wide neck opening for easy filling and cleaning Compatible with all Philips Avent Natural nipples. These bottles include 1Month+ Slow Flow nipple Nipple is soft and breast shaped to promote comfortable latch on Twin valves prevent babies from swallowing air to reduce colic